From 4a5251579eb1a47cbdf24e038d104f917ac6cd44 Mon Sep 17 00:00:00 2001
From: Justin Lin <justin.sdk@gmail.com>
Date: Sun, 20 Jun 2021 14:40:27 +0800
Subject: [PATCH] fix surface error

---
 examples/taiwan/golden_taiwan.scad | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/examples/taiwan/golden_taiwan.scad b/examples/taiwan/golden_taiwan.scad
index 75f41f3a..845217e9 100644
--- a/examples/taiwan/golden_taiwan.scad
+++ b/examples/taiwan/golden_taiwan.scad
@@ -3,6 +3,7 @@ use <golden_spiral.scad>;
 use <golden_spiral_extrude.scad>;
 use <bezier_surface.scad>;
 use <function_grapher.scad>;
+use <util/reverse.scad>;
 
 // smaller values are better
 taiwan_fineness = 5;  
@@ -13,7 +14,7 @@ wave_fineness = 0.05;
 module golden_taiwan(taiwan_fineness, wave_fineness) {
     
     module taiwan() {
-        mirror_taiwan = [for(pt = shape_taiwan(15)) [pt[0] * -1, pt[1]]];
+        mirror_taiwan = reverse([for(pt = shape_taiwan(15)) [pt[0] * -1, pt[1]]]);
 
         translate([127.5, 42.5, 83]) golden_spiral_extrude(
             mirror_taiwan, 
@@ -28,12 +29,12 @@ module golden_taiwan(taiwan_fineness, wave_fineness) {
         t_step = wave_fineness;
         thickness = 100;
 
-        ctrl_pts = [
+        ctrl_pts = reverse([
             [[0, 0, 20],  [60, 0, -35],   [90, 0, 60],    [200, 0, 5]],
             [[0, 50, 30], [100, 60, -25], [120, 50, 120], [200, 50, 5]],
             [[0, 100, 0], [60, 120, 35],  [90, 100, 60],  [200, 100, 45]],
             [[0, 123, 0], [60, 123, -35], [90, 123, 60],  [200, 123, 45]]
-        ];
+        ]);
 
         g = bezier_surface(t_step, ctrl_pts);
 
@@ -45,7 +46,7 @@ module golden_taiwan(taiwan_fineness, wave_fineness) {
 
         taiwan();
 
-        render() wave();
+        wave();
     
 }